Seiko 2107 Movement Details

Seiko caliber 2107 is a hand winding watch movement. Production was in the 1960s.
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Sub-brands: Chorus
Day / date?Date only
GMT / world time?No
Rate:19,800 bph
Number of jewels:17, 21 or 23
Size / diameter:17.8mm x 15.3mm
Notes:Used in ladies watches.
Related movements: 21